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What is the action of all of the negative feedback mechanisms of the body?

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They provide a mecha...

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The elbow is proximal to the shoulder.

A) True
B) False

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Lungs carry out an excretory function.

A) True
B) False

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Can lungs carry out excretory functions? Explain your answer.

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Yes, carbon dioxide ...

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Which of the following are survival needs of the body?


A) nutrients, water, movement, and reproduction
B) water, atmospheric pressure, growth, and movement
C) nutrients, water, growth, and reproduction
D) nutrients, water, atmospheric pressure, and oxygen

E) A) and C)
F) B) and C)

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The right hypochondriac region contains the majority of the stomach.

A) True
B) False

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When a baby suckles at its mother's breast the stimulus at the breast is sent to the mother's brain (a region called the hypothalamus) . The brain responds by releasing hormones to stimulate the production and the ejection of milk from the breast. This helps the newborn to receive nourishment and encourages more suckling. This example is best described as a __________.


A) necessary life function
B) negative feedback
C) loss of homeostasis
D) positive feedback

E) A) and C)
F) B) and C)

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What is the single most abundant chemical substance in the body?

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Anatomical position is important because ___________.


A) it allows diagrams within textbooks to display a greater surface area of the body with one simple diagram
B) it provides the greatest circulation to the extremities
C) it is the position most comfortable to hospital patients
D) it allows a common point of reference for body position to help communicate anatomical relationships

E) B) and D)
F) B) and C)

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Homeostasis is the condition in which the body maintains __________ .


A) a relatively stable internal environment, within limits
B) a static state with no deviation from preset points
C) the lowest possible energy usage
D) a dynamic state within an unlimited range, depending on circumstances

E) B) and C)
F) C) and D)

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It is important for any organism to maintain its boundaries, so that its internal environment remains distinct from the external environment surrounding it.

A) True
B) False

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One of the functional characteristics of life is excitability or responsiveness. This refers to __________ .


A) sensing changes in the environment and then reacting or responding to them
B) indigestible food residues stimulating the excretory system
C) the nervous system causing all living things to sometimes experience anger
D) the necessity for all organisms to reproduce

E) B) and C)
F) None of the above

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Similar cells that have a common function are called __________ .

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Place the following in correct sequence from simplest to most complex: 1. molecules 2. atoms 3. tissues 4. cells 5. organs


A) 2-1-3-4-5
B) 1-2-4-3-5
C) 1-2-3-4-5
D) 2-1-4-3-5

E) C) and D)
F) A) and D)

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Embryology concerns the structural changes that occur in an individual from conception through old age.

A) True
B) False

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Generally, what is the result of the negative feedback process?


A) to maintain homeostasis
B) to keep the body's blood sugar level high
C) to regulate excretion via the kidneys
D) to control body movement

E) B) and D)
F) B) and C)

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Describe the overlap in function between the cardiovascular system and respiratory system. In other words, describe how they work together.

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The blood is provided a consis...

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The epigastric region is superior to the umbilical region.

A) True
B) False

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The part of the serous membrane that lines the peritoneal cavity wall is called visceral peritoneum.

A) True
B) False

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Describe the overlap in function between the muscular system and skeletal system. In other words, describe how they work together.

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The skeleton provides the ridg...

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